Use the Global Configuration settings to apply a common set of parameters to all the
action nodes in the workflow. You can override the global settings for any node by
changing the values in the node Action Settings dialog box.

If the variable ${resourceManager} is used, WFM substitutes with the
proper resource manager discovered from Ambari configurations.

${resourceManager}

or

http://sandbox.hortonworks.com:8050

Name Node

Points to the YARN name node.

If the variable ${nameNode} is used, WFM substitutes with the proper
resource manager discovered from Ambari configurations.

Job XML

Location of the job XML file that contains name/value combinations
for the workflow.

Using a job XML file is useful when the same settings need to be used
by multiple workflows.

Properties Name/Value

Use to declare a variable and associated value for workflows.

Use when you need a specific setting to change for each job
submission or when you need to configure the same value multiple times.
The variable defined could be used in a workflow with the syntax
${variable1}.